Sudoku is a puzzle game, it aims to fill a 9*9 Plaid, make each row, each column, each small box contains 1-9 the nine digits each time. Usually every single topic that contains only the number of a unique solution.
Sudoku is a puzzle game, it aims to fill a 9*9 Plaid, make each row, each column, each small box contains 1-9 the nine digits each time. Usually every single topic that contains only the number of a unique solution.